Why does recapcha always say you are a robot?

Question

reCAPTCHA

recapcha always returns false, what's the problem?

if (isset($_POST['token']) && isset($_POST['action'])) {
    $captcha_token = $_POST['token'];
    $captcha_action = $_POST['action'];
} else {
    die('Капча работает некорректно. Обратитесь к администратору!');
}
 
$url = 'https://www.google.com/recaptcha/api/siteverify';
$params = [
    'secret' => '6Lfwl4MUAAAAAKCP8ZV13J6ngN_A9RiPtzxM9CDi',
    'response' => $captcha_token,
    'remoteip' => $_SERVER['REMOTE_ADDR']
];
 
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
 
$response = curl_exec($ch);
if(!empty($response)) $decoded_response = json_decode($response);
 
$success = false;
 
if ($decoded_response && $decoded_response->success && $decoded_response->action == $captcha_action && $decoded_response->score > 0) {
    $success = $decoded_response->success;
    // обрабатываем данные формы, которая защищена капчей
} else {
    // прописываем действие, если пользователь оказался ботом
}
 
echo json_encode($success);

$('.ofert_button').on('click', function(e) {
    e.preventDefault();
    grecaptcha.ready(function() {
      		grecaptcha.execute('6Le9e48UAAAAAI4pZF-AENNFk_g-bE4Yez6AHnue', {action: 'homepage'}).then(function(token) {
                var action = 'homepage';
                var token = '6Le9e48UAAAAAI4pZF-AENNFk_g-bE4Yez6AHnue';
      			var fio = $('.form_dogovor input[name=fio]').val();
   			var address = $('.form_dogovor input[name=address]').val();
        var email = $('.form_dogovor input[name=email]').val();
        var sum =  $('.form_dogovor input[name=sum]').val();
        var ofert = 1;
        var phone = $('.form_dogovor input[name=phone]').val();
        $.ajax({
          url: '/ofert.php',
          method: 'POST',
          dataType: 'text',
          data: {ofert, fio, address, email, sum, phone, action, token}
        }).done(function(data) {
          alert(data);
        });
      		});
    });
  });